Liborius Olaf Lumma studied theology and philosophy in Munster (Germany), Munich (Germany), and Innsbruck (Austria). He holds the degrees of Doctor theologiae and Privatdozent (habilitation) and is assistant professor in Liturgical Studies and Sacramental Theology at Innsbruck University. His major research fields are Gregorian Chant, Liturgy of the Hours, and Ecumenical Theology. He is a member of the Ecumenical Commission of the Austrian Bishops’ conference, board member of the German section of the International Association for Studies of Gregorian Chant (AISCGre), and chairman of the Research Center "Synagogue and Churches" at Innsbruck University.
The Coptic Church selects its pope by lot. What does that mean for the elected, the non-elected, and the electors?
The existence of auxiliary bishops in the Catholic Church is comprehensible, but not very helpful for the theology of episcopacy according to the Second Vatican Council.
How to handle symbols in liturgy, how not to handle symbols in liturgy, and what this has to do with the 2017 Week of Prayer for Christian Unity.